Laggan | PGS

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Faroe Shetlands - UK

Laggan 3D

This dataset enables exploration companies to gain a better geological understanding of the area
Website Map for Survey LAGGAN
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Specifications

Survey summary

  • Type: 3D
  • Geometry: Standard
  • Size: 604.2 sq.km
  • Acquisition year: 2009
  • Completion of processing: 2010
  • Water depth: 500-750 m
  • Shooting direction: 59
  • Vessel: Ramform Vanguard
  • Alternate ID: MC3D-Q206 Laggan

Acquisition parameters

  • Number of streamers: 16
  • Streamer length: 5100 m
  • Streamer separation: 50 m
  • Shot interval: 25 m
  • Record length: 7000 ms
  • Sample rate: 2 ms
  • Bin dimensions (Acquisition): 25 x 6.25 m
  • Bin dimensions (Processing): 12.5 x 12.5 m
  • Fold: 102

Processing

  • 2D surface related multiple elimination (SRME)
  • High resolution radon demultiple
  • Kirchhoff prestack time migration (PSTM)

Time products

  • Final Kirchhoff PSTM Stack
  • Angle stack near
  • Angle stack mid
  • Angle stack far
  • PSTM gathers
  • Stacking velocity
  • Migration velocity